package com.mars.common;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author MARS
 * @date 2017/12/28
 */
@Component("applicationContextHelper")
public class ApplicationContextHelper implements ApplicationContextAware{

    private static ApplicationContext applicationContext;
    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        applicationContext = context;
    }

    public static <T>T popBean(Class<T> clazz){
        if(applicationContext == null){
            return null;
        }
        return applicationContext.getBean(clazz);
    }

    public static <T>T popBean(String name,Class<T> clazz){
        if(applicationContext == null){
            return null;
        }
        return applicationContext.getBean(name,clazz);
    }
}
